DE69405488T2 - Process for the purification of diaryl carbonates - Google Patents

Process for the purification of diaryl carbonates

Info

Publication number
DE69405488T2
DE69405488T2 DE69405488T DE69405488T DE69405488T2 DE 69405488 T2 DE69405488 T2 DE 69405488T2 DE 69405488 T DE69405488 T DE 69405488T DE 69405488 T DE69405488 T DE 69405488T DE 69405488 T2 DE69405488 T2 DE 69405488T2
Authority
DE
Germany
Prior art keywords
purification
diaryl carbonates
diaryl
carbonates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69405488T
Other languages
German (de)
Other versions
DE69405488D1 (en
Inventor
Robert Bruce Ehlinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22186297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69405488(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Publication of DE69405488D1 publication Critical patent/DE69405488D1/en
Application granted granted Critical
Publication of DE69405488T2 publication Critical patent/DE69405488T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00—Preparation of esters of carbonic or haloformic acids
    • C07C68/08—Purification; Separation; Stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE69405488T 1993-06-29 1994-06-14 Process for the purification of diaryl carbonates Expired - Fee Related DE69405488T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/084,647 US5498319A (en) 1993-06-29 1993-06-29 Process for purifying diaryl carbonates

Publications (2)

Publication Number Publication Date
DE69405488D1 DE69405488D1 (en) 1997-10-16
DE69405488T2 true DE69405488T2 (en) 1998-03-26

Family

ID=22186297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405488T Expired - Fee Related DE69405488T2 (en) 1993-06-29 1994-06-14 Process for the purification of diaryl carbonates

Country Status (6)

Country Link
US (1) US5498319A (en)
EP (1) EP0633241B1 (en)
JP (1) JP2862796B2 (en)
CN (1) CN1103399A (en)
DE (1) DE69405488T2 (en)
ES (1) ES2106451T3 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030028043A1 (en) * 1995-08-01 2003-02-06 Gaylord M. Kissinger Process for purifying diaryl carbonates
DE19600631A1 (en) * 1996-01-10 1997-07-17 Bayer Ag Process for the purification of carbonic acid diaryl esters
JP4420477B2 (en) * 1997-03-04 2010-02-24 三菱化学株式会社 High purity diaryl carbonate and process for producing the same
JP4356120B2 (en) * 1998-02-19 2009-11-04 三菱化学株式会社 High purity diaryl carbonate and method for producing the same
EP0992522A4 (en) * 1998-04-27 2000-08-09 Teijin Ltd Carbonic diester, aromatic polycarbonate, production apparatus, and process for production
US5962699A (en) * 1998-07-23 1999-10-05 Huntsman Petrochemical Corporation Process for decolorizing organic carbonates
US6143937A (en) * 1998-12-18 2000-11-07 General Electric Company Recovery of hydroxyaromatic compound from aqueous extract solutions
US6294684B1 (en) * 1999-12-08 2001-09-25 General Electric Company Method and apparatus for the continuous production of diaryl carbonates
CN100383109C (en) * 2005-12-07 2008-04-23 华中科技大学 Technical method for purifying diphenyl carbonate by liquation crystalline
JP5119703B2 (en) * 2007-03-23 2013-01-16 三菱化学株式会社 Method for producing flaky diaryl carbonate
EP2275405B1 (en) * 2008-05-15 2019-04-24 Asahi Kasei Kabushiki Kaisha Process for producing isocyanate using diaryl carbonate
KR101525641B1 (en) * 2008-05-15 2015-06-03 아사히 가세이 케미칼즈 가부시키가이샤 Process for producing isocyanate
WO2012076532A1 (en) 2010-12-08 2012-06-14 Shell Internationale Research Maatschappij B.V. Process for purifying aryl group containing carbonates
WO2012076519A1 (en) 2010-12-08 2012-06-14 Shell Internationale Research Maatschappij B.V. Process for purifying dialkyl carbonate
JP2012166559A (en) * 2012-04-20 2012-09-06 Mitsubishi Chemicals Corp Handling method of flake diaryl carbonate
JP5650777B2 (en) * 2013-03-11 2015-01-07 旭化成ケミカルズ株式会社 Method for producing isocyanate using diaryl carbonate
EP2970096B1 (en) * 2013-03-15 2018-08-08 SABIC Global Technologies B.V. Process for purification of diphenyl carbonate for the manufacturing of high quality polycarbonate
EP2778186B1 (en) 2013-03-15 2017-07-12 SABIC Global Technologies B.V. Production of a polycarbonate with limited metal residuals
CN105408249A (en) 2013-07-26 2016-03-16 沙特基础全球技术有限公司 Method and apparatus for producing high purity phosgene
CN105408250B (en) 2013-07-26 2018-08-07 沙特基础全球技术有限公司 Method and apparatus for producing high-purity phosgene
KR101859207B1 (en) 2014-02-04 2018-05-18 사빅 글로벌 테크놀러지스 비.브이. Method for producing carbonates
CN105960389A (en) 2014-02-04 2016-09-21 沙特基础工业全球技术有限公司 Method for producing carbonates
ES2761911T3 (en) * 2015-11-26 2020-05-21 Shell Int Research Process to prepare a diaryl carbonate
CN105968005A (en) * 2016-06-08 2016-09-28 泰安众智化工有限责任公司 Method for recycling diphenyl carbonate from solid waste of production of phenyl chloroformate
CN113577814B (en) * 2021-08-16 2022-10-18 四川中蓝国塑新材料科技有限公司 Diphenyl carbonate recovery device and method for industrial production of polycarbonate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362865A (en) * 1941-07-18 1944-11-14 Gen Chemical Corp Manufacturie of aromatic esters
DE1275541B (en) * 1965-02-25 1968-08-22 Bayer Ag Process for the purification of diaryl carbonates
US3470133A (en) * 1967-09-15 1969-09-30 Ppg Industries Inc Water washing polyesters of carbonic acid and diphenols
FR2294198A1 (en) * 1974-12-11 1976-07-09 Poudres & Explosifs Ste Nale OLIGOCARBONATE PURIFICATION PROCESS
US4697034A (en) * 1985-11-15 1987-09-29 General Electric Company Process for making diaryl carbonates
SU1698250A1 (en) * 1989-11-20 1991-12-15 Уфимский Нефтяной Институт Method of producing diphenylcarbonate
JP2798293B2 (en) * 1990-06-04 1998-09-17 日本ジーイープラスチックス株式会社 How to recover phenols
US5167946A (en) * 1990-12-27 1992-12-01 The Dow Chemical Company Diaryl carbonate process
US5189139A (en) * 1991-08-08 1993-02-23 The Dow Chemical Company Preparation of polycarbonates comprising separating bisphenol, converting bisphenol to diaryl carbonate and recycling

Also Published As

Publication number Publication date
JP2862796B2 (en) 1999-03-03
CN1103399A (en) 1995-06-07
US5498319A (en) 1996-03-12
DE69405488D1 (en) 1997-10-16
ES2106451T3 (en) 1997-11-01
EP0633241B1 (en) 1997-09-10
EP0633241A1 (en) 1995-01-11
JPH07138208A (en) 1995-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee